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π-Conjugated Donor and Donor–Acceptor Metallo-Polymers

✍ Scribed by Andreas Wild; Florian Schlütter; Georges M. Pavlov; Christian Friebe; Grit Festag; Andreas Winter; Martin D. Hager; Vera Cimrová; Ulrich S. Schubert

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
403 KB
Volume
31
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

Two zinc(II)‐ and two ruthenium(II) containing π‐conjugated metallo‐polymers were synthesized and characterized in detail. We could prove by SEC, analytical ultracentrifugation (AUC) and viscosimetry the ruthenium(II) metallo‐polymers to be high molar mass materials (M~fs~ = 20 000 g · mol^−1^ Ru1‐2; M~fs~ = 34 000 g · mol^−1^ Ru1) exhibiting intrinsic viscosities of up to [η] = 192 · cm^3^ · g^−1^. Applying spin‐coating we produced homogeneous films of the polymers and could, subsequently, investigate the photophysical properties in the solid state. Introducing the Ru(II) metallo‐polymers mixed with PCBM[60] as photoactive layer in bulk‐heterojunction solar cells resulted in very low efficiencies due to morphology problems.
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